de Sitter swampland conjecture and the Higgs potential
By Frederik Denef, A. Hebecker, T. Wrase. Physical Review D, 2018
147 citations recorded by the source corpus.
According to a conjecture recently put forward in arXiv:1806.08362, the scalar potential $V$ of any consistent theory of quantum gravity satisfies a bound $|\nabla V|/V \geq {\cal O}(1)$. This forbids dS solutions and supports quintessence models of cosmic acceleration. Here we point out that in the simplest models incorporating the Standard Model in addition to quintessence, with the two sectors decoupled as suggested by observations, the proposed bound is violated by 50 orders of magnitude. However, a very specific coupling between quintessence and just the Higgs sector may still be allowed and consistent with the conjecture.
Subfields: Astronomy and Astrophysics, Mathematical Physics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/322aa95b9c07479103ea0fced4d4ae331732f387
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Citations in the corpus
- The Swampland: Introduction and Review (2019, background): “tion to the entropy of de Sitter space. Another good reason to consider such a renement is to avoid some well motivated counter-examples in the Standard Model and extensions of it. In particular, in [439] it was pointed out that the top of the Higgs potential would strongly violate the original de S”